Seiko Cal. 6637 - 559

This Kinetic model from 1974 features a 40mm Gold-Plated case. With its 19mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-66ce45fdbda5]

Also known as: Emperor

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

9.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

90m

Dial Color

White

Jewels

35j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1974

Related Models

• Seiko 5676-725
• Seiko 5653-437
• Seiko 7098-965
• Seiko 5215-992
• Seiko 5688-700
• Seiko 4546-935
• Seiko 4463-938
• Seiko 6122-585
• Seiko 6319-881
• Seiko 6178-979
• Seiko 4416-142
• Seiko 5244-257